24... c8c7 [%c_effect c7;square;c7;type;Mistake;persistent;true] 25. g1f2 Preparing Bc3 without Black having a check on e2. 25... f8e7  26. b2c3 [%c_effect c3;square;c3;type;GreatFind;persistent;true] 26... h8a8 